While the critical-severity flaw in a popular open-source library has seen exploitation, the ‘vast majority’ of organizations will not be vulnerable, according to well-known researcher Kevin Beaumont.
Security defenders are girding themselves in response to the disclosure of a maximum-severity vulnerability disclosed Wednesday in React Server, an open-source package that’s widely used by websites ...
In December 2025, CVE-2025-55182 (React2Shell), a vulnerability in React Server Components (RSC) that enables remote code execution (RCE), was publicly disclosed. Shortly after publication, multiple ...
A maximum severity vulnerability, dubbed 'React2Shell', in the React Server Components (RSC) 'Flight' protocol allows remote code execution without authentication in React and Next.js applications.
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